{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59363",
    "entityType": "User",
    "nonce": "0x0a8a0bd3a4fc03ea1bb27e3d6cbc1322fdaae0dee7e08d9b1538d6ca961c418e",
    "signature": "0x3f23c94c3f2a75bd4796d72e3a7ae8d94e6bb94227271404a70f6b2e4f15d40149e7da042fb0c11c02742282cdb041c983051eef9f627fd97f9823a64313d9a81b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}